Spectra Precision LL300N Laser Level, Self Leveling Kit with HL450 Receiver, Clamp, Alkaline Batteries - LL300N
The Spectra Precision LL300N Laser Level features a rugged design with a metal sunshade that provides superior drop and weather protection (IP66). Its fully automatic self-leveling capability provides a fast, accurate setup on any construction site, in any type of weather. Rechargeable NiMH battery pack or alkaline batteries keeps the tool working with no downtime due to power loss. Built to withstand severe drops of up to 3 ft (1 m) directly onto concrete, or up to 5 ft (1.5 m) when pushed over on a tripod. Comes standard with HL450 digital readout receiver and other configurations are available. One person elevation control with 1,650 ft (500 m) diameter range increases productivity. What's included in the box: LL300N Laser Level, HL450 Receiver with Clamp, 4x D-Cell Alkaline Batteries, Multi-language Operating Manual, and Hard Shell Carrying Case. The Spectra Precision Laser LL300N is your medium-range, high-accuracy solution. Ideal for basic slope work such as driveways and ramps, checking or leveling elevations, concrete forms, footings and foundations for small- and medium-sized jobs, and for excavations, digging footings and septic tanks. Rugged enough for tough job-site use, the Spectra Precision Laser LL300N Level delivers automatic self-leveling performance to help you get work done quickly, accurately, and efficiently. Bundled with the HL450 Receiver, the LL300N is a perfect choice for tackling elevation-control applications and handling concrete and other general construction jobs.
Features
- Increases productivity with faster setups, fewer mechanical parts, and automatic self-leveling
- Easy, one-button operation requires minimal training for using tool
- Complete leveling crew in one portable hard shelled carrying case; Tripod not included
- Rugged design with “hard hat” rotary protection provides superior drop and outdoor weather protection (IP66)
- Ideal for all general concrete and construction site preparation applications
What our Experts Think
-
Professional-Grade Rotary Laser for Construction & Site Work – The Spectra Precision LL300N Laser Level is designed for contractors who need fast, accurate elevation and leveling for grading, excavation, concrete work, and general construction layout.
-
Excellent Accuracy for Reliable Results – Delivers ±3/32 in accuracy at 100 ft (±2.2 mm at 30 m), providing dependable measurements for foundation work, site preparation, and leveling tasks.
-
Long Working Range for Large Job Sites – With the included Spectra Precision HL450 Laser Receiver, the system achieves a 1,650 ft (500 m) diameter operating range, allowing accurate readings across wide construction areas.
-
Fully Automatic Self-Leveling – Electronic self-leveling within ±5° ensures quick setup and automatically maintains accuracy even on uneven surfaces.
-
Digital Readout Receiver for Faster Measurements – The HL450 receiver provides a clear digital elevation readout, helping crews determine grade without repositioning the receiver repeatedly.
-
Rugged Jobsite Durability – Built to withstand 3 ft (1 m) drops onto concrete and protected with an IP66 dust- and water-resistant design, making it dependable in harsh construction environments.
-
Long Battery Life for Full-Day Operation – Runs up to 90 hours on alkaline batteries, minimizing downtime and allowing extended jobsite use.
-
Simple Operation for Productivity – One-button startup and straightforward controls allow quick deployment and efficient one-person operation on grading and leveling projects.
Q&A
Q: What is the Spectra Precision LL300N laser level used for?
A: The LL300N is a professional rotary laser level designed for leveling, grading, excavation, foundation work, landscaping, and general construction layout. It provides a 360° horizontal reference for precise site leveling.
Q: Does the LL300N feature automatic self-leveling?
A: Yes. The laser uses electronic self-leveling within ±5° to automatically level itself for quick setup and accurate results on job sites.
Q: What accuracy does the LL300N provide?
A: It offers high precision with accuracy of approximately ±3/32 in at 100 ft (±2.2 mm at 30 m), making it suitable for professional construction and grading applications.
Q: What is the working range of the LL300N laser level?
A: With the included HL450 receiver, the laser provides a working range of up to 1,650 ft (500 m) diameter, allowing reliable operation on large job sites.
Q: What accessories are included in this LL300N kit?
A: The kit includes the LL300N rotary laser, HL450 digital receiver, mounting clamp, alkaline batteries, and a carrying case for secure storage and transport.
Q: What is the HL450 receiver used for?
A: The HL450 receiver detects the laser beam at long distances and features a digital readout for precise elevation measurements, especially in bright outdoor conditions.
Q: How durable is the Spectra Precision LL300N?
A: The laser features a rugged protective rotor cage and can withstand drops of about 3 ft (1 m) onto concrete, making it ideal for demanding construction environments.
Q: How long does the battery last?
A: The LL300N operates on four D-cell batteries and provides up to 90 hours of runtime with alkaline batteries or about 45 hours with rechargeable batteries.
Q: Is the LL300N weather resistant for outdoor work?
A: Yes. The laser has an IP66 rating, providing strong protection against dust and water for reliable performance in harsh job-site conditions.
Maintenance Tips
-
Clean the Laser Window: Regularly wipe the laser aperture with a soft, lint-free cloth to keep the beam clear and maintain leveling accuracy.
-
Protect the HL450 Receiver: Keep the receiver and clamp free from dust, moisture, and debris for accurate laser detection on job sites.
-
Replace Batteries When Needed: Use fresh alkaline batteries when the low-battery indicator appears to maintain stable performance and long operating time.
-
Store in the Carrying Case: Always store the LL300N laser level, receiver, clamp, and accessories in the protective case to prevent dust buildup and transport damage.
-
Check Calibration Frequently: Verify horizontal accuracy periodically—especially after drops, heavy vibration, or extended job-site use.
-
Avoid Harsh Conditions: Do not expose the laser level to extreme heat, freezing temperatures, or excessive moisture beyond recommended limits.
-
Mount Securely: Use a stable tripod or mount to reduce vibration and ensure precise leveling results during construction or grading work.
-
Use Authorized Service: For repairs or internal adjustments, rely on professional service technicians to preserve factory accuracy standards.
Damage 
Loss 
Theft 
